Ontologia

District · RUS

Gatchinskiy rayon

Russia

DfbCold, no dry season, warm summer(100 %)

Species observed

3 206

Observations

56 601

Area

3 027,1km²

Ecological tissue

Sample of 33 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Gatchinskiy rayon : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 6 types (connectance 18.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
100
Connectance
0.189
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

3 206 distinct species · 56 601 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

56 601 obs · 96 cellules
Obs. / cellule
≥ 12 982
1 131–12 981
308–1 130
78–307
< 78

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

4,8°C

Annual rain

712mm

Warmest m°

21,7°C

Coldest m°

-9,9°C

Elevation: 82 m on average (min 40 m, max 151 m)

Bioclimatic detailsExpert
Annual mean temp.
4,8°C
Annual rain
712mm
Warmest month
21,7°C
Coldest month
-9,9°C
Mean alt.
82m
Min
40m
Max
151m
Std. dev.
22m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

110,2g/kg

Clay

15,3%

Sand

52,4%

Silt

32,3%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
157,1g/kg
Clay
15,4%
Sand
51,6%
Silt
33,0%
5–15 cm
pH H₂O
5,5
Org. C
124,9g/kg
Clay
14,7%
Sand
52,5%
Silt
32,8%
15–30 cm
pH H₂O
5,6
Org. C
48,7g/kg
Clay
15,9%
Sand
52,9%
Silt
31,2%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest63.0%
Crops11.5%
Built-up0.3%
Bare soil0.0%
Other (grassland, water…)25.2%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology14 basins · 21 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

565,1km

Lake surface here

44,06km²

Basins crossed

14

Max stream order

4

Max drainage

285 331km²

Discharge in basins

46,2m³/s

Mean precip.

651mm/an

Mean T°

4,4°C

Moisture idx

0,12

Max snow

47%

Mean runoff

205mm/an

Mean elev. (basins)

89m

Rivers / streams (31, ord ≥ 4)

19 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

1,9nW

Built-up

28,7%

Pesticides

2,9kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas7

IUCN IV · 4IUCN III · 2IUCN Not Reported · 1

Lisinskij

IUCN IV

State Natural Zakaznik · 1976

294 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN